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No speech path-SIP trunk

No speech path-SIP trunk

(OP)
Hi , I have connected a CS1000M(61c) rls 5 with cs1000M(81c) rls 5.5 using SIP trunk. MC32s and Signallin Severs have updated patches with both PBX also updated with patches. Calls between sites is OK but i am having issue when digigtal ext calls digital extension or analog ext calls to

Good calls
IP ext      to  IP ext.
IP ext      to  Analog ext.
IP ext      to  digital ext
analog ext  to analog ext.
analog ext  to digital ext
digital ext to analog ext

The only call setup which isn not working when a digital extensions call another digital extension across both site.
I checked by changing DLC cards/by changing loop of DLC cards but still no solution, everything OK accept DLC to DLC extension even ring goes to set but after lifting h/set it is dead, both cant listen each other.
I also reset SS/Ini PBX but no solution
Any help
 

RE: No speech path-SIP trunk

Well ... I would check the trunking to ensure your digital to digital are using the same routes as your working calls.  You can also check codec and routing protocols between sites for a mismatch that could be causing such failure.  Must be something with speechpath since you say DLC to DLC will ring, but the line is dead when you go offhook.  The only other thing I can think of is a possible compatibility issue between 61c/81c and the rls 5 versus rls 5.5 ....  

RE: No speech path-SIP trunk

make sure you are using the same codec value on each side of the sip trunk call.  If your call goes out one side of the link G.711 (Zone bandwidth treatment) it should enter the other pbx with no compression(G.711).  Look at your interzone bandwidth treatments for all ip components between the phones.  It is ok to use compression but there has to be a match on both sides of the call or you end up with speech path issues.

you can also try making your sip route VOD.

RE: No speech path-SIP trunk

another thing to check is firewall issues between the sites.  find out which tcp and udp ports are being used and verify with the data group that none are being blocked.

RE: No speech path-SIP trunk

Can each VGMC or SMC card ping the T-LAN of the VGMC or SMC card of the other site?

RE: No speech path-SIP trunk

Same issue only digital to digital, 4 four sites  two 4.5 RLS, one 5RLS and one 5.5.Issue is only between 5 and 5.5 rls sites.  Everything is pepped. and all sites talk properly so there is no network issue.  We have verified correct codec is and settings match.  The strange thing is a call to either site that is a invalid extension works ..rings to swtichboard (2250)....  

RE: No speech path-SIP trunk

(OP)
Problem solved. Danzig you shud login into Element manager using admin2 then select Poloicies then Media than uncheck Media Security and then save. DO some for other sites.
Regards
 

RE: No speech path-SIP trunk

Was this on both site or just the 5.5 or 5 site?  Thanks

RE: No speech path-SIP trunk

I dont think it is a correct way to turn off MSEC. Did you try to install the patch MPLR27230 to see if it works? As I see, it is available for rls 5.00, may require reworking for rls 5.5

RE: No speech path-SIP trunk

(OP)
It was ON on both sites,I dont know about this patch, but the patches are upto date. Need some help to understand why is MSEC for??? i mean in which scenerio we use MSEC??
Is it a special patch for this problem?? or general patch?

Danzing urs problem solve or not????
Regards

 

RE: No speech path-SIP trunk

(OP)
I also could not found this patch on nortel site.
 

RE: No speech path-SIP trunk

As I see, 27230 is a VO patch, only available for public view. I think you should raise a case to get it. I'm not sure if it is specific for this scenario, but I remember a similar issue has been resolved with this patch.

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